Operating a Metal Lathe - Revision history

Bsboggs: /* Activities */

2019-05-29T18:25:02Z

Activities

← Older revision		Revision as of 18:25, 29 May 2019
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	# Put a small groove on the screw head to create a slot for a screwdriver.		# Put a small groove on the screw head to create a slot for a screwdriver.
	# Put all tools back into storage and clean up area.		# Put all tools back into storage and clean up area.


			== Useful Information ==

Bsboggs: /* Consumable Raw Materials */

2018-05-04T14:53:26Z

Consumable Raw Materials

← Older revision		Revision as of 14:53, 4 May 2018
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	== Consumable Raw Materials ==		== Consumable Raw Materials ==

	- Al 6061 3/8" Diameter Rod Stock (for 1/4-20 screw)		- Al 6061 3/8" Diameter Rod Stock (for 1/4-20 screw)<br>
	- Al 6061 5/16" Diameter Rod Stock (for 8-32 screw)		- Al 6061 5/16" Diameter Rod Stock (for 8-32 screw)<br>

	== Activities ==		== Activities ==

Bsboggs: /* Permanent Materials */

2018-05-04T14:53:02Z

Permanent Materials

← Older revision		Revision as of 14:53, 4 May 2018
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	== Permanent Materials ==		== Permanent Materials ==

	- G0602Z Lathe and Tool Bits		- G0602Z Lathe and Tool Bits<br>
	- Tailstock Chuck and Drill Bits		- Tailstock Chuck, Countersink and Drill Bits<br>
	- Cutoff Tool		- Live Tailstock Center<br>
	- Digital Calipers		- Cutoff Tool<br>
			- Digital Calipers<br>

	== Consumable Raw Materials ==		== Consumable Raw Materials ==

Bsboggs: /* Activities */

2018-05-03T17:49:07Z

Activities

← Older revision		Revision as of 17:49, 3 May 2018
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	# Continue threading until your threads are well matched by the [[Media:Screw_pitch_gage.jpg \| screw pitch gauge]].		# Continue threading until your threads are well matched by the [[Media:Screw_pitch_gage.jpg \| screw pitch gauge]].
	# After the threads are well matched to the gauge, try to fit an appropriately-sized nut onto the threads. If it doesn't fit or fits too tightly, lightly file down the threads and try again.		# After the threads are well matched to the gauge, try to fit an appropriately-sized nut onto the threads. If it doesn't fit or fits too tightly, lightly file down the threads and try again.
	# Use the cutoff tool to part your screw.		# Use the cutoff tool to ''part'' your screw.
	# Put a small groove on the screw head to create a slot for a screwdriver.		# Put a small groove on the screw head to create a slot for a screwdriver.
	# Put all tools back into storage and clean up area.		# Put all tools back into storage and clean up area.


	~~Skills:~~
	* Facing<br>
	* Turning<br>
	* Threading<br>
	* Parting<br>

Bsboggs: /* Activities */

2018-05-03T17:48:27Z

Activities

← Older revision		Revision as of 17:48, 3 May 2018
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	# Turn down the rod's diameter (where the threads will be made) to the nominal major diameter for your screw size (see thread size chart above).		# Turn down the rod's diameter (where the threads will be made) to the nominal major diameter for your screw size (see thread size chart above).
	# Put an ~ 45% chamfer on the tail end of the rod.		# Put an ~ 45% chamfer on the tail end of the rod.
			# After a demonstration (very important - do not attempt threading without a demonstration) by the instructor or TA proceed with cutting the threads for your screw.
			# Continue threading until your threads are well matched by the [[Media:Screw_pitch_gage.jpg \| screw pitch gauge]].
			# After the threads are well matched to the gauge, try to fit an appropriately-sized nut onto the threads. If it doesn't fit or fits too tightly, lightly file down the threads and try again.
			# Use the cutoff tool to part your screw.
			# Put a small groove on the screw head to create a slot for a screwdriver.
			# Put all tools back into storage and clean up area.

Bsboggs: /* Activities */

2018-05-01T22:59:59Z

Activities

← Older revision		Revision as of 22:59, 1 May 2018
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	# Read the Wikipedia page on [https://en.wikipedia.org/wiki/Speeds_and_feeds machining speeds and feeds]. Calculate Spindle Speed with this [https://littlemachineshop.com/mobile/speeds_feeds.php online calculator]. Verify that the lathe's current spindle speed is less than or equal to the calculated spindle speed. If not, discuss with the instructor or TA (DO NOT ATTEMPT TO CHANGE THE SPINDLE SPEED OR GEARING YOURSELF).		# Read the Wikipedia page on [https://en.wikipedia.org/wiki/Speeds_and_feeds machining speeds and feeds]. Calculate Spindle Speed with this [https://littlemachineshop.com/mobile/speeds_feeds.php online calculator]. Verify that the lathe's current spindle speed is less than or equal to the calculated spindle speed. If not, discuss with the instructor or TA (DO NOT ATTEMPT TO CHANGE THE SPINDLE SPEED OR GEARING YOURSELF).
	# Set up a ''rough cut'' of an appropriate length of round Al stock with which to make a screw with the bandsaw - Get instructor or TA approval before making the cut. Clean up metal shavings and put bandsaw and stock back in storage areas.		# Set up a ''rough cut'' of an appropriate length of round Al stock with which to make a screw with the bandsaw - Get instructor or TA approval before making the cut. Clean up metal shavings and put bandsaw and stock back in storage areas.
			# To get an idea of the screw-making process take a look at this [https://www.youtube.com/watch?v=Lb_BURLuI70 Youtube video].
	# Mount the rough stock in the lathe chuck (rough side facing out). Get instructor or TA approval before facing off the rod.		# Mount the rough stock in the lathe chuck (rough side facing out). Get instructor or TA approval before facing off the rod.
	# Face off the rod.		# Face off the rod. With the tailstock chuck, drill a small hole in the open (faced off) end of the rod (so that the live center will fit in and secure the tail end of the rod).
			# Use the live center in the tailstock to secure the tail end of the rod. Get instructor or TA approval before proceeding.
			# Turn down the rod's diameter (where the threads will be made) to the nominal major diameter for your screw size (see thread size chart above).
			# Put an ~ 45% chamfer on the tail end of the rod.


	Skills:		Skills:

Bsboggs at 21:54, 1 May 2018

2018-05-01T21:54:27Z

@@ Line 1: / Line 1: @@
 [[File:G0602z.jpg| 600px|thumb | Grizzly G0602Z|right]]
-Basic Idea: Make a 1" 8-32 Fully-Threaded Flathead Screw with Chamfered Tip from rough stock.<br>
+== Permanent Materials ==
 Skills:

Bsboggs at 01:51, 1 May 2018

2018-05-01T01:51:49Z

← Older revision		Revision as of 01:51, 1 May 2018
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	[[File:G0602z.jpg\| 600px\|thumb \| Grizzly G0602Z\|right]]		[[File:G0602z.jpg\| 600px\|thumb \| Grizzly G0602Z\|right]]

			Basic Idea: Make a 1" 8-32 Fully-Threaded Flathead Screw with Chamfered Tip from rough stock.<br>

	Skills:		Skills:
Line 6:		Line 8:
	* Threading<br>		* Threading<br>
	* Parting<br>		* Parting<br>
	* Drilling<br>
	* Tapping<br>
	* Make 1" 8-32 Fully-Threaded Flathead Screw with Chamfered Tip<br>

Bsboggs at 01:49, 1 May 2018

2018-05-01T01:49:39Z

← Older revision		Revision as of 01:49, 1 May 2018
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	* Threading<br>		* Threading<br>
	* Parting<br>		* Parting<br>
	* Boring<br>
	* Drilling<br>		* Drilling<br>
	* Tapping<br>		* Tapping<br>
	* Make 1" 8-32 Fully-Threaded Flathead Screw with Chamfered Tip<br>		* Make 1" 8-32 Fully-Threaded Flathead Screw with Chamfered Tip<br>

Bsboggs at 01:44, 1 May 2018

2018-05-01T01:44:31Z

← Older revision		Revision as of 01:44, 1 May 2018
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	Skills:		Skills:
	* Facing<br>		* Facing<br>
	* Tapering<br>
	* Turning<br>		* Turning<br>
			* Threading<br>
	* Parting<br>		* Parting<br>
	* Threading<br>
	* Boring<br>		* Boring<br>
	* Drilling<br>		* Drilling<br>
			* Tapping<br>
	* Make 1" 8-32 Fully-Threaded Flathead Screw with Chamfered Tip<br>		* Make 1" 8-32 Fully-Threaded Flathead Screw with Chamfered Tip<br>